Athlon 64 FX-51 vs Opteron 248
Athlon 64 FX-51
Opteron 248
Performance Spectrum - CPU
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money. The Athlon 64 FX-51 is positioned at rank 1133 and the Opteron 248 is on rank 726, so the Opteron 248 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Athlon 64 FX-51
Performance Per Dollar Opteron 248
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon 64 FX-51 | Opteron 248 |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($733) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (SledgeHammer (2003−2005) / 130 nm) | 🛑 Legacy (SledgeHammer (2003−2005) / 130 nm) |
💎 Value Proposition
| Insight | Athlon 64 FX-51 | Opteron 248 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($733) | ✅ More affordable ($0) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Athlon 64 FX-51 and Opteron 248
Athlon 64 FX-51
The Athlon 64 FX-51 is manufactured by AMD. It was released in 2009-01-01. It is based on the SledgeHammer (2003−2005) architecture. It features 1 cores and 1 threads. Max frequency: 2.2 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 130 nm process technology. Socket: 940. Thermal design power (TDP): 89 Watt. Passmark benchmark score: 615 points. Launch price was $149.
Opteron 248
The Opteron 248 is manufactured by AMD. It was released in Novembro 2003 (22 years ago). It is based on the SledgeHammer (2003−2005) architecture. It features 1 cores and 1 threads. Max frequency: 2.2 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 130 nm process technology. Socket: 940. Thermal design power (TDP): 89 Watt. Passmark benchmark score: 585 points. Launch price was $12.
Processing Power
Both the Athlon 64 FX-51 and Opteron 248 share an identical 1-core/1-thread configuration. Boost clocks reach 2.2 GHz on the Athlon 64 FX-51 versus 2.2 GHz on the Opteron 248 — identical boost frequencies. Both are built on the SledgeHammer (2003−2005) architecture using a 130 nm process. In PassMark, the Athlon 64 FX-51 scores 615 against the Opteron 248's 585 — a 5% lead for the Athlon 64 FX-51. Both processors carry 0 kB of L3 cache.
| Feature | Athlon 64 FX-51 | Opteron 248 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 2.2 GHz | 2.2 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 1 MB | 1 MB |
| Process | 130 nm | 130 nm |
| Architecture | SledgeHammer (2003−2005) | SledgeHammer (2003−2005) |
| PassMark | 615+5% | 585 |
Memory & Platform
Both processors use the 940 socket with PCIe 1.1.
| Feature | Athlon 64 FX-51 | Opteron 248 |
|---|---|---|
| Socket | 940 | 940 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR-400 | — |
| Max RAM Capacity | 4 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 0 | — |
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